Upgrade to 2.0.8
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From 1bbaa929b77113532785c408dd1b41cd0521ffc8 Mon Sep 17 00:00:00 2001
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From: Chrissie Caulfield <ccaulfie@redhat.com>
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Date: Thu, 20 Jul 2023 07:19:01 +0100
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Subject: [PATCH] log: fix potential overflow with long log messages (#490)
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qb_vsnprintf_serialize was called with 'max_size' as the
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limiting number for the length of the formatted log
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message. But the buffer also needs to contain the
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log header (given by 'actual_size'), so we now pass
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't->max_line_length' as the maximum length of the
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formatted log message to limit space to the actual
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bytes left
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Also added error checks to the blackbox calls at
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the end of the test, as these now provide a proper
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test that the BB is functioning. Before they were
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masking failures.
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---
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lib/log_blackbox.c | 4 ++--
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tests/check_log.c | 6 ++++--
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2 files changed, 6 insertions(+), 4 deletions(-)
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diff --git a/lib/log_blackbox.c b/lib/log_blackbox.c
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index 3e30504..8519a48 100644
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--- a/lib/log_blackbox.c
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+++ b/lib/log_blackbox.c
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@@ -110,8 +110,8 @@ _blackbox_vlogger(int32_t target,
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chunk += sizeof(uint32_t);
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/* log message */
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- msg_len = qb_vsnprintf_serialize(chunk, max_size, cs->format, ap);
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- if (msg_len >= max_size) {
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+ msg_len = qb_vsnprintf_serialize(chunk, t->max_line_length, cs->format, ap);
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+ if (msg_len >= t->max_line_length) {
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chunk = msg_len_pt + sizeof(uint32_t); /* Reset */
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/* Leave this at QB_LOG_MAX_LEN so as not to overflow the blackbox */
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diff --git a/tests/check_log.c b/tests/check_log.c
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index 039a4bb..e5abf40 100644
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--- a/tests/check_log.c
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+++ b/tests/check_log.c
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@@ -832,8 +832,10 @@ START_TEST(test_log_long_msg)
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qb_log(LOG_INFO, "Message %d %d - %s", lpc, lpc%600, buffer);
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}
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- qb_log_blackbox_write_to_file("blackbox.dump");
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- qb_log_blackbox_print_from_file("blackbox.dump");
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+ rc = qb_log_blackbox_write_to_file("blackbox.dump");
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+ ck_assert_int_gt(rc, 0);
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+ rc = qb_log_blackbox_print_from_file("blackbox.dump");
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+ ck_assert_int_le(rc, 0);
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unlink("blackbox.dump");
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qb_log_fini();
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}
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--
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2.33.0
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Binary file not shown.
BIN
libqb-2.0.8.tar.xz
Normal file
BIN
libqb-2.0.8.tar.xz
Normal file
Binary file not shown.
@ -1,11 +1,11 @@
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Name: libqb
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Name: libqb
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Version: 2.0.7
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Version: 2.0.8
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Release: 2
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Release: 1
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Summary: Library providing high performance logging, tracing, ipc, and poll
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Summary: Library providing high performance logging, tracing, ipc, and poll
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License: LGPLv2+
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License: LGPLv2+
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URL: https://github.com/ClusterLabs/libqb
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URL: https://github.com/ClusterLabs/libqb
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Source0: https://github.com/ClusterLabs/libqb/releases/download/v%{version}/%{name}-%{version}.tar.xz
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Source0: https://github.com/ClusterLabs/libqb/releases/download/v%{version}/%{name}-%{version}.tar.xz
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Patch0: fix-potential-overflow-with-long-log-messages.patch
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BuildRequires: autoconf automake libtool check-devel doxygen gcc procps pkgconfig(glib-2.0)
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BuildRequires: autoconf automake libtool check-devel doxygen gcc procps pkgconfig(glib-2.0)
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BuildRequires: git-core
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BuildRequires: git-core
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# For doxygen2man
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# For doxygen2man
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@ -74,6 +74,9 @@ This package contains a program to create nicely-formatted man pages from Doxyge
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%{_mandir}/man1/doxygen2man.1.gz
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%{_mandir}/man1/doxygen2man.1.gz
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%changelog
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%changelog
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* Tue Oct 31 2023 haomimi <haomimi@uniontech.com> - 2.0.8-1
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- Upgrade to 2.0.8
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* Wed Oct 18 2023 zouzhimin <zouzhimin@kylinos.cn> - 2.0.7-2
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* Wed Oct 18 2023 zouzhimin <zouzhimin@kylinos.cn> - 2.0.7-2
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- Type:cves
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- Type:cves
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- ID:CVE-2023-39976
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- ID:CVE-2023-39976
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